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Interesting Insulation Facts
The earliest form of insulation was during the Middle Ages, when the walls of homes were stuffed with mud and straw to keep out the cold.
In the mid-1970s, home improvement companies traded asbestos insulation for fiberglass insulation after finding out the harmful effects asbestos has on lungs.
Fiberglass was invented when a young researcher named Dale Kleist attempted to create a vacuum-tight seal between two pieces of glass and a high-pressure jet of air shot through and turned them into fibers.
Today, an un-insulated home can lose up to 60% of its energy through walls and the ceiling.
Insulation is measured using an “R-value,” which refers to its resistance to heat flow. The higher the R-value, the better it will insulate.
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